chore (deps): migrate rand to rand/v2

[webstradev]

Description

Migrated rand dependency to rand/v2. We only use rand in tests and mocks and the only two functions we use are float32 and float64 which still exist in the new v2 API so nothing very exciting going on here.

Link to tracking issue

Fixes #10885

Testing

Ran make test successfully

Documentation

[mx-psi]

Thank you!

[mx-psi]

@webstradev would you be willing to also update the depguard rules? Can be done in this PR if you want to :)

[webstradev]

@webstradev would you be willing to also update the depguard rules? Can be done in this PR if you want to :)

Yep will do!

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 91.65%. Comparing base (d5d1f82) to head (09ad7b4).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##           main   #10889       +/-   ##
=========================================
+ Coverage      0   91.65%   +91.65%     
=========================================
  Files         0      405      +405     
  Lines         0    19031    +19031     
=========================================
+ Hits          0    17442    +17442     
- Misses        0     1229     +1229     
- Partials      0      360      +360     

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[webstradev]

Making a small fix for the depguard rule, needs a $ for the specific version.

[webstradev]

Making a small fix for the depguard rule, needs a $ for the specific version.

@mx-psi Should be good to go now

[mx-psi]

Thanks!